{"product_id":"unicelreplacementfiltercartridgefor40sfhaywardcx410rec7442unfc7442","title":"Unicel Replacement Filter Cartridge for 40 sf Hayward CX410RE | C-7442","description":"\u003cdiv\u003e\n\u003ch1\u003eUnicel C-7442 40 sq ft Replacement Filter Cartridge\u003c\/h1\u003e\n\u003cp\u003eThe Unicel C-7442 is a premium replacement filter cartridge engineered to deliver reliable performance in in-ground pool and spa cartridge filter systems. With 40 square feet of pleated media, it supports efficient filtration, longer service intervals, and consistent water clarity.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e40 sq ft of high-capacity pleated media to extend time between cleanings.\u003c\/li\u003e\n\u003cli\u003eHeavy-duty polyester construction for durability in pool environments.\u003c\/li\u003e\n\u003cli\u003eStandard size: approx. 7″ diameter × 14 3\/16″ length; top \u0026amp; bottom 3″ open ports for easy fitment.\u003c\/li\u003e\n\u003cli\u003eDirect replacement for many OEM cartridges; helps maintain optimal flow and clarity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e C-7442\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFiltration Area:\u003c\/strong\u003e 40 sq ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e ~7″ OD × ~14.19″ length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e 4 oz polyester pleated fabric\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePorts:\u003c\/strong\u003e Top \u0026amp; bottom open 3″ ID\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eInstallation \u0026amp; Compatibility Notes\u003c\/h2\u003e\n\u003cp\u003eTurn off the pool pump and relieve system pressure before replacing the cartridge. Remove the filter vessel lid and old cartridge, clean the filter tank interior, then install the new C-7442 ensuring correct orientation. Confirm that your filter housing is rated for a 40 sq ft cartridge and that the seal surfaces are intact. After installation, restart the system and monitor pressure to establish a clean starting point.\u003c\/p\u003e\n\u003ch2\u003eMaintenance Tips\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCheck differential pressure and clean the cartridge when pressure rises 8-10 psi above baseline.\u003c\/li\u003e\n\u003cli\u003eRinse the pleated media during maintenance cycles to prolong life and maintain flow.\u003c\/li\u003e\n\u003cli\u003eReplace the cartridge if media is torn, core collapses, or cleaning no longer restores start-up pressure.\u003c\/li\u003e\n\u003cli\u003eEnsure the filter housing lid O-ring is lubricated and sealing properly after reassembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Choose the Unicel C-7442?\u003c\/h2\u003e\n\u003cp\u003eFor pool professionals and homeowners alike, the C-7442 offers a robust, proven filtration component from a trusted brand. Its high-capacity design, durable media, and broad compatibility make it a smart choice for ensuring sustained water clarity and filter performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Unicel","offers":[{"title":"Default Title","offer_id":52335993946428,"sku":"C-7442","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/3280\/9276\/files\/unicel-replacement-filter-cartridge-for-40-sf-hayward-cx410re-c-7442-cartridges-8860046.jpg?v=1763501919","url":"https:\/\/aquapoolsupply.com\/products\/unicelreplacementfiltercartridgefor40sfhaywardcx410rec7442unfc7442","provider":"Aqua Pool Supply","version":"1.0","type":"link"}